Question 1 of 5: Add each using a Number Line.
$$2+7, 5+4, 1+3$$ 
Select the Correct Answer: Correct! 
Not Correct! 
Not Correct! A
$$2+7=12,5+4=9,1+3=5$$ $$2+7=12$$$$5+4=9$$$$1+3=5$$
B
$$2+7=9,5+4=9,1+3=7$$ $$2+7=9$$$$5+4=9$$$$1+3=7$$
C
$$2+7=9,5+4=9,1+3=4$$ $$2+7=9$$$$5+4=9$$$$1+3=4$$
D
$$2+7=27,5+4=54,1+3=13$$ $$2+7=27$$$$5+4=54$$$$1+3=13$$
E
$$2+7=14,5+4=7,1+3=6$$ $$2+7=14$$$$5+4=7$$$$1+3=6$$
Question 2 of 5: Add each using a Number Line.
$$1+6,8+9,6+7$$
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$1+6=7,8+9=19,6+7=13$$ $$1+6=7$$$$8+9=19$$$$6+7=13$$
B
$$1+6=10,8+9=11,6+7=9$$ $$1+6=10$$$$8+9=11$$$$6+7=9$$
C
$$1+6=9,8+9=15,6+7=21$$ $$1+6=9$$$$8+9=15$$$$6+7=21$$
D
$$1+6=9,8+9=13,6+7=12$$ $$1+6=9$$$$8+9=13$$$$6+7=12$$
E
$$1+6=7,8+9=17,6+7=13$$ $$1+6=7$$$$8+9=17$$$$6+7=13$$
Question 3 of 5: Add each using a Number Line.
$$2+8,1+11,3+6$$
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$2+8=9,1+11=15,3+6=12$$ $$2+8=9$$$$1+11=15$$$$3+6=12$$
B
$$2+8=10,1+11=12,3+6=9$$ $$2+8=10$$$$1+11=12$$$$3+6=9$$
C
$$2+8=11,1+11=14,3+6=9$$ $$2+8=11$$$$1+11=14$$$$3+6=9$$
D
$$2+8=10,1+11=12,3+6=12$$ $$2+8=10$$$$1+11=12$$$$3+6=12$$
E
$$2+8=28,1+11=12,3+6=9$$ $$2+8=2$$$$1+11=12$$$$3+6=9$$
Question 4 of 5: Add each using a Number Line.
$$4+7+9+1$$
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$19$$
B
$$27$$
C
$$23$$
D
$$21$$
E
$$22$$
Question 5 of 5: Add each using a Number Line.
$$2+6+3+5+4$$
Select the Correct Answer: Correct! Not Correct!
Not Correct! A
$$17$$
B
$$28$$
C
$$23$$
D
$$20$$
E
$$21$$
